| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | work [prep] a [adj] time | 9 |
|
| 2 | work [prep] a [adj] time | 9 |
|
| 3 | work [prep] a [adj] time | 9 |
|
| 4 | work for a [adj] time | 8 |
|
| 5 | work [prep] a short time | 5 |
|
| 6 | work [prep] a short time | 5 |
|
